MAX942CPA

高速，低功耗， 3V / 5V ，轨到轨单电源比较器 High-Speed, Low-Power, 3V/5V, Rail-to-Rail Single-Supply Comparators

General Description

The MAX941/MAX942/MAX944 are single/dual/quad high-speed comparators optimized for systems powered from a 3V or 5V supply. These devices combine high speed, low power, and rail-to-rail inputs. Propagation delay is 80ns, while supply current is only 350µA per comparator.

The input common-mode range of the MAX941/MAX942/MAX944 extends beyond both power-supply rails. The outputs pull to within 0.4V of either supply rail without external pullup circuitry, making these devices ideal for interface with both CMOS and TTL logic. All input and output pins can tolerate a continuous short circuit fault condition to either rail.

Features

♦ Available in µMAX Package for Automotive Applications

♦ Optimized for 3V and 5V Applications Operation Down to 2.7V

♦ Fast, 80ns Propagation Delay 5mV Overdrive

♦ Rail-to-Rail Input Voltage Range

♦ Low 350µA Supply Current per Comparator

♦ Low, 1mV Offset Voltage

♦ Internal Hysteresis for Clean Switching

♦ Outputs Swing 200mV of Power Rails

♦ CMOS/TTL-Compatible Outputs

♦ Output Latch MAX941 Only

♦ Shutdown Function MAX941 Only

Applications

  3V/5V Systems

  Battery-Powered Systems

  Threshold Detectors/Discriminators

  Line Receivers

  Zero-Crossing Detectors

  Sampling Circuits